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Finding the Fourth Proportional to 30,237.71, 45,344.88 and 9,969.59

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Solution

The fourth proportional to 30,237.71, 45,344.88 and 9,969.59 is: 14,950.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,237.71 : 45,344.88 = 9,969.59 : x
  2. Step 2: Convert to fraction form
    30,237.71/45,344.88 = 9,969.59/x
  3. Step 3: Cross multiply
    30,237.71x = 45,344.88 × 9,969.59
  4. Step 4: Simplify right side
    30,237.71x = 452,069,635.47
  5. Step 5: Solve for x
    x = 452,069,635.47/30,237.71
  6. Step 6: Final answer
    x = 14,950.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.